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The cochlea of the inner ear, a marvel of physiological engineering, acts as both a frequency analyzer and nonlinear acoustic amplifier. [2] The cochlea has over 32,000 hair cells . Outer hair cells primarily provide amplification of traveling waves that are induced by sound energy, while inner hair cells detect the motion of those waves and ...
The cochlea is a portion of the inner ear that looks like a snail shell (cochlea is Greek for snail). [5] The cochlea receives sound in the form of vibrations, which cause the stereocilia to move. The stereocilia then convert these vibrations into nerve impulses which are taken up to the brain to be interpreted.
The cochlea is a snail-shaped formation that enables sound transmission via a sensorineural route, rather than through a conductive pathway. [11] The cochlea is a complex structure, consisting of three layers of fluid.
A list of 'effects' that have been noticed in the field of psychology. [clarification needed] Ambiguity effect;
The temporal theory of hearing, also called frequency theory or timing theory, states that human perception of sound depends on temporal patterns with which neurons respond to sound in the cochlea. Therefore, in this theory, the pitch of a pure tone is determined by the period of neuron firing patterns—either of single neurons, or groups as ...
Tonotopic organization in the cochlea forms throughout pre- and post-natal development through a series of changes that occur in response to auditory stimuli. [7] Research suggests that the pre-natal establishment of tonotopic organization is partially guided by synaptic reorganization; however, more recent studies have shown that the early changes and refinements occur at both the circuit and ...
The volley theory was explained in depth in Ernest Wever's 1949 book, Theory of Hearing [2] Groups of neurons in the cochlea individually fire at subharmonic frequencies of a sound being heard and collectively phase-lock to match the total frequencies of the sound. The reason for this is that neurons can only fire at a maximum of about 500 Hz ...
Ernest Glen Wever (October 16, 1902–September 4, 1991) was an American experimental psychologist known for his elucidation of hearing in vertebrates, ranging from the biomechanical functioning of the cochlea to the neural coding of sound and the evolutionary biology of hearing. [1] [2]